1872297

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 3129984

約数和(自身を除く): 1257687

約数列:

[1, 3, 7, 9, 21, 63, 113, 263, 339, 789, 791, 1017, 1841, 2367, 2373, 5523, 7119, 16569, 29719, 89157, 208033, 267471, 624099, 1872297]

約数ペア:

[(1, 1872297), (3, 624099), (7, 267471), (9, 208033), (21, 89157), (63, 29719), (113, 16569), (263, 7119), (339, 5523), (789, 2373), (791, 2367), (1017, 1841)]